<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格演示</title>
</head>
<body>
    <p>表格是用来显示二维数据的重要标签</p>
    <hr>
    <p>构建2行3列的表格</p>
    <!-- border之类的属性是不推荐使用的 -->
<table border="1">
    <tr>
        <td>单元格</td>
        <td>单元格</td>
        <td>单元格</td>
    </tr>
    <tr>
        <td>单元格</td>
        <td>单元格</td>
        <td>单元格</td>
    </tr>
</table>
    <hr>
    <p>构建含caption/thead/tbody/tfoot的表格</p>
    <table border="1">
        <caption>学生信息表</caption>
        <thead>
           <tr>
               <td>学号</td>
               <td>姓名</td>
               <td>总分</td>
               <td>排名</td>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>20190212101</td>
                <td>张三</td>
                <td>620</td>
                <td>2</td>
            </tr>
            <tr>
                <td>20190212110</td>
                <td>李四</td>
                <td>520</td>
                <td>2</td>
            </tr>
            <tr>
                <td>20190212120</td>
                <td>诸葛芷健</td>
                <td>999</td>
                <td>1</td>
            </tr>
        </tbody>
        <tfoot>
            <tr>
                <td>统计：</td>
                <td>空白</td>
                <td>空白</td>
                <td>空白</td>
            </tr>
        </tfoot>
    </table>
    <hr>    
    <p>构建含caption/thead/tbody/tfoot的表格，th标签显示单元格为表头</p>
    <table border="1">
        <caption>学生信息表</caption>
        <thead>
           <tr>
               <td>&nbsp;</td>
               <th>学号</th>
               <th>姓名</th>
               <th>总分</th>
               <th>排名</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <th>1</th>
                <td>20190212101</td>
                <td>张三</td>
                <td>620</td>
                <td>2</td>
            </tr>
            <tr>
                <th>2</th>
                <td>20190212110</td>
                <td>李四</td>
                <td>520</td>
                <td>2</td>
            </tr>
            <tr>
                <th>3</th>
                <td>20190212120</td>
                <td>诸葛芷健</td>
                <td>999</td>
                <td>1</td>
            </tr>
        </tbody>
        <tfoot>
            <tr>
                <!-- <td>统计：</td>
                <td>空白</td>
                <td>空白</td> -->
                <td colspan="2">统计：</td>
            </tr>
        </tfoot>
    </table>

   <p>表格列分组</p>
   <table border="1">
       <colgroup>
    <col   span="2">
    <col   span="3">
    </colgroup>
       <tr>
           <td>分组1</td>
           <td>分组1</td>
           <td>分组2</td>
           <td>分组2</td>
           <td>分组2</td>
       </tr>
       <tr>
        <td>分组1</td>
        <td>分组1</td>
        <td>分组2</td>
        <td>分组2</td>
        <td>分组2</td>
       </tr>
       <tr>
        <td>分组1</td>
        <td>分组1</td>
        <td>分组2</td>
        <td>分组2</td>
        <td>分组2</td>
       </tr>
   </table>
        <br><br><br><br>
</body>
</html>